Stainless Steel, Oyster bracelet (SEL) with flip-lock Glidelock clasp, 'Cerachrom' ceramic unidirectional rotating bezel, automatic Chronometer (Cal. 3135), date, 'Parachrom Bleu' hairspring, screw-down crown, Ref. 116610LN, warranty dated May 2020, 40mm, 99% Like New in Box with Papers